FHWA NBI 2024 Inspection record Public-domain dataset

NJTPK NSO-NSI RWYS

Carrying NJTPK NSO-NSI RWYS over FORMER LEHIGH VALLEY RR

1.3 MI NORTH OF INT 9, Middlesex, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: NJTPK NSO-NSI RWYS

The NJTPK NSO-NSI RWYS bridge in Middlesex, New Jersey carries NJTPK NSO-NSI RWYS over FORMER LEHIGH VALLEY RR. It was built in 1951, making it 75 years old today. It was last reconstructed in 1955, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 46.9 meters (154 feet) end to end. Daily traffic averages 117,944 vehicles, placing it in the heavily-trafficked tier of New Jersey bridges. It is owned and maintained by State Toll Authority.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 34.7 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How NJTPK NSO-NSI RWYS compares

▼ 9.1
Load rating vs New Jersey average (43.8 t)
Bottom 43%
Lower load rating than 57% of New Jersey bridges
562
Bridges in Middlesex · 18 in Poor condition
NJTPK NSO-NSI RWYS 34.7 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
74.3 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
0.3
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
34.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1951
Last Reconstructed
1955
Material
Steel
Number of Spans
3
Structure Length
46.9 m (154 ft)
Deck Width
39.0 m (128 ft)
Owner
State Toll Authority
Avg Daily Traffic
117,944 vehicles/day
Structure Number
M08455S

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether NJTPK NSO-NSI RWYS is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare NJTPK NSO-NSI RWYS against other structures in Middlesex and across New Jersey. New Jersey bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for NJTPK NSO-NSI RWYS?

NJTPK NSO-NSI RWYS in Middlesex, New Jersey has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is NJTPK NSO-NSI RWYS inspected?

NJTPK NSO-NSI RWYS's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 117,944 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. NJTPK NSO-NSI RWYS is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NJTPK NSO-NSI RWYS?

NJTPK NSO-NSI RWYS has an NBI inventory load rating of 34.7 metric tons.

Who is responsible for maintaining NJTPK NSO-NSI RWYS?

NJTPK NSO-NSI RWYS is owned and maintained by State Toll Authority.

How old is NJTPK NSO-NSI RWYS and does age affect safety?

NJTPK NSO-NSI RWYS was built in 1951, making it 75 years old and last reconstructed in 1955.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.